Anchor Fastening Technical Guide , Edition 22
MATERIAL SPECIFICATIONS
Carbon steel with hot-dip galvanized plating Anchor bodies manufactured from carbon steel have the tensile bolt fracture loads shown in table 1 . Carbon steel anchor components have an average zinc plating thickness greater than 43 µ m according to ASTM A153 , Class C . Nuts conform to the requirements of ASTM A563 , Grade A , Hex . Washers meet the requirements of ASTM F844 . Stainless steel expansion wedges are manufactured from either AISI Type 304 or Type 316 .
Stainless steel
Anchor bodies smaller than 3 / 4-inch , excluding all KWIK Bolt 3 Countersunk , are produced from AISI Type 304 or Type 316 stainless steel having the bolt fracture loads shown in table 1 .
Anchor bodies 3 / 4-inch and larger , and all stainless steel KWIK Bolt 3 Countersunk anchor bodies , are produced from AISI Type 304 or Type 316 stainless steel having the mechanical properties shown in table 1 .
Nuts meet the dimensional requirements of ASTM F594 . Washers meet the dimensional requirements of ANSI B18.22.1 , Type A , plain .
Stainless steel expansion wedges for AISI Type 304 are made from either AISI Type 304 or Type 316 . Stainless steel expansion wedges for AISI Type 316 anchors are made from type 316 . All stainless steel nuts and washers for AISI Type 304 or Type 316 anchors are manufactured from AISI Type 304 or 316 , respectively .
Table 1 — Hilti KWIK Bolt 3 Bolt fracture load ( lb ) 1
Nominal anchor diameter |
|
|
in . |
Hot-dip galvanized |
Stainless steel |
1 / 4 no offering 2,900 3 / 8 no offering 7,200 1 / 2 12,400 12,400 5 / 8 19,600 21,900 3 / 4 28,700 f uta
≥ 76 , f ya ≥ 64 2
1 no offering f uta ≥ 76 , f ya
≥ 64 2
1 Bolt fracture loads are determined by testing in a universal tensile machine for quality control at the manufacturing facility . These loads are not intended for design use . See table 12 for the steel design strengths of stainless steel .
2 All 3 / 4-in . stainless steel , and all 1-in . stainless steel material strengths specified by the tensile and yield strengths expressed in ( ksi ). Bolt fracture loads not applicable for these models .
3.3.11
Anchor Fastening Technical Guide Edition 22 | 3.0 ANCHORING SYSTEMS | 3.3.11 KWIK Bolt 3 ( KB 3 ) CARBON AND STAINLESS STEEL SCREW ANCHOR Hilti , Inc . 1-800-879-8000 | en español 1-800-879-5000 | www . hilti . com | Hilti ( Canada ) Corporation | www . hilti . ca | 1-800-363-4458
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